LM7806 DATASHEET PDF

The LM78XX series of three-terminal positive regulators. fixed output voltage and TO package – are designed for a wide range of applications. Datasheet. DS – Rev 36 – September For further information contact your local STMicroelectronics sales office. LM datasheet, LM circuit, LM data sheet: FAIRCHILD – 3- Terminal 1A Positive Voltage Regulator,alldatasheet, datasheet, Datasheet search site.

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Apr 17, Posts: This IC can also act as an adjustable output voltage regulator, meaning you can also control the output voltage for your desired value using the below circuit. I rather don’t get into pentodes like EF86 which are very expensive NOS of course what’s left are mostly rejects or very expensivefortunately both types and many more are still in production sounding the same as NOS, lifetime is a bit shorter Jan 14, Posts: Views Read Edit View history.

3-TERMINAL 1A POSITIVE VOLTAGE REGULATOR

Can anyone tell me how to calculate? LM Voltage Regulator Datasheet. I used 25C since that most likely matches the situation of sitting there testing out your new circuit with the chassis open and putting your finger on it to see if it’s getting hot. I’d say you were bending in dangerous territory. Circuit bending can lead to some whackiness and you never know with bending – things can happen and you might get hurt.

At 9V supply the regulator doesn’t get hot enough to burn you, but still uncomfortably hot with the current heat sink.

The value can be calculated using the below formulae. Sat Aug 12, The circuit bent part of the project itself only wants 6V. A DC-DC converter might indeed not be such a bad idea it’s definitely more efficient, although it could cause some unwanted noise.

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LM Datasheet catalog

Here, the input voltage can be anywhere between 9VV, and the output voltage can be adjusted using the value of resistance R1 and R2. There is a related line of 79xx devices which are complementary negative voltage regulators. But, the IC suffers from heavy heat loss hence a Heat sink is recommended for projects that consume more current. Submitted by admin on 30 August The 78xx line are positive voltage regulators: Some devices provide slightly different voltages than usual, such as the LM78L62 6.

This is a typical application circuit of the IC. Thu Sep 14, 9: Cool Projects for Open Source Hardware. Sun Aug 13, 2: This page was last edited on 5 Decemberat TL — Programmable Reference Voltage.

Wikimedia Commons has media related to 78xx Series and Voltage regulator circuits. View unread posts View new posts in the last week Mark the topic unread:: Dec 09, Posts: The output current datashewt this IC can go up to 1.

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pin configuration LM datasheet & applicatoin notes – Datasheet Archive

Fatasheet bulk of the heat must lm7860 coming from the 6V difference from supply? In our case the IC is an iconic regulator IC that finds its application in most of the projects. Voltage regulators are very common in electronic circuits. The is the most common, as its regulated 5-volt supply provides a convenient power source for most TTL components.

Encyclopedia of Electronic Components Volume 1: San Diego Audio files: Sunny Oakland California Audio files: A quick search led me to this page which might be helpful and shows how many variables there are. Came up with a heat sink temp of about 40C which would be pretty warm edit: Getting right heatsink seems like more difficult than building good psu, although i found one has to understand only a few basics to get sufficient heatsink.

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I’ve never done any calculations myself and it’s not that easy as there are a lot of variables. We just need two capacitors of vale 33uf and 0.

This article needs additional citations for verification. I’m sure it’s lifespan will be affected. Complete Technical Details can be found at the datasheet give at the end of this page.

It works, but I measured about mA being drawn from the 6V line, at which the regulator gets too hot to touch very quickly. Of course as voltage goes up there are limits to current without heatsinking, although ussual synth stuff can be built this way. Articles needing additional references from January All articles needing additional references.

But ya, at some point the different ranges need to be taken into consideration before you pack dxtasheet in a chassis and expect it to work over a variety of conditions.

LM7806 Positive 6v Voltage Regulator

For the years, see 8th millennium. The LM78S40 from Fairchild is not part of the 78xx family and does not use the same design.

They can be done with fets instead of bipolars which offer even lower power components. Something else you might be able to do is reduce the current draw for the 6V section.